<template>
    <div>
      <h4 class="lighter">
        <i class="ace-icon fa fa-hand-o-right icon-animated-hand-pointer blue"></i>
        <router-link to="/business/course" class="pink"> {{course.name}} </router-link>
      </h4>
      <hr>
      <p>
        <router-link to="/business/course" class="btn btn-white btn-default btn-round">
          <i class="ace-icon fa fa-arrow-left"></i>
          返回课程
        </router-link>
        &nbsp;
        <button class="btn btn-white btn-default btn-round" @click="add(1)">
          <i class="ace-icon fa fa-edit red2"></i>
          新增
        </button>
        &nbsp;&nbsp;
        <button class="btn btn-white btn-default btn-round" @click="list(1)">
          <i class="ace-icon fa fa-refresh red2"></i>
          刷新
        </button>
      </p>
      <pagination ref="pagination" v-bind:list="list" v-bind:itemCount="8"></pagination>
      <table id="simple-table" class="table  table-bordered table-hover">
        <thead>
        <tr>
          <th class="center">
             ID
          </th>
          <th class="center">
            课程ID
          </th>
          <th class="center">
            名称
          </th>
          <th>操作</th>
        </tr>
        </thead>

        <tbody>
        <tr v-for="chapter in chapters" :key="chapter.id">
          <td class="center">
            {{chapter.id}}
          </td>
          <td class="center">
            {{chapter.courseId}}
          </td>
          <td class="center">
            {{chapter.name}}
          </td>
          <td>
            <div class="hidden-sm hidden-xs btn-group">

              <button v-on:click="toSection(chapter)" class="btn btn-white btn-xs btn-info btn-round">
                小节
              </button>&nbsp;

              <button @click="edit(chapter)" class="btn btn-xs btn-info">
                编辑
              </button>&nbsp;

              <button @click="del(chapter.id)" class="btn btn-xs btn-danger">
                删除
              </button>

            </div>

          </td>
        </tr>

        </tbody>
      </table>

      <div id="form-modal" class="modal fade" tabindex="-1" role="dialog">
        <div class="modal-dialog" role="document">
          <div class="modal-content">
            <div class="modal-header">
              <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
              <h4 class="modal-title">表单</h4>
            </div>
            <div class="modal-body">
              <form class="form-horizontal">
                <div class="form-group">
                  <label  class="col-sm-2 control-label">名称</label>
                  <div class="col-sm-10">
                    <input v-model="chapter.name" type="text" class="form-control"  placeholder="名称">
                  </div>
                </div>
                <div class="form-group">
                  <label  class="col-sm-2 control-label">课程</label>
                  <div class="col-sm-10">
                    <p class="form-control-static">{{course.name}}</p>
                  </div>
                </div>

              </form>
            </div>
            <div class="modal-footer">
              <button type="button" class="btn btn-default" data-dismiss="modal">取消</button>
              <button @click="save" type="button" class="btn btn-primary">保存</button>
            </div>
          </div><!-- /.modal-content -->
        </div><!-- /.modal-dialog -->
      </div><!-- /.modal -->

    </div>
</template>

<script>
import Pagination from "../../components/pagination";
export default {
  name: "chapter",
  components: {Pagination},
  data(){
    return {
      chapters:[],
      chapter:{},
      course:{}
    }
  },
  mounted() {
    let _this=this;
    this.$refs.pagination.size = 5;
    let course = SessionStorage.get(SESSION_KEY_COURSE) || {};
    if (Tool.isEmpty(course)) {
      _this.$router.push("/welcome");
    }
    _this.course = course;
    this.$parent.activeSidebar("business-course-sidebar");
    this.list(1);
  },
  methods:{
    add(){
      let _this=this;
      _this.chapter= {};
      $("#form-modal").modal("show")
    },
    edit(chapter){
      let _this=this;
      _this.chapter= $.extend({},chapter)
      $("#form-modal").modal("show")
    },
    del(id){
      let _this=this;

      Confirm.show("删除大章后不可恢复，确认删除？", function () {
           Loading.show();
          _this.$ajax.delete(process.env.VUE_APP_SERVER+'/business/admin/chapter/delete/'+id,).then(response=>{
            console.log("删除大章列表结果",response)
            let resp = response.data
            Loading.hide();
            _this.list(1);
            Toast.success("删除成功！");
          })
      })
    },
    list(page){
      let _this=this;
      _this.$ajax.post(process.env.VUE_APP_SERVER+'/business/admin/chapter/list',{
        page:page,
        size:_this.$refs.pagination.size,
        courseId: _this.course.id
      }).then(response=>{
        let resp = response.data
        console.log("查询大章列表结果",response)
        _this.chapters=resp.content.list;
        _this.$refs.pagination.render(page, resp.content.total);
      })
    },
    save(){
      let _this=this;

      // 保存校验
      if (!Validator.require(_this.chapter.name, "名称")
        || !Validator.length(_this.chapter.courseId, "课程ID", 1, 8)) {
        return;
      }
      _this.chapter.courseId = _this.course.id;

      Loading.show();
      _this.$ajax.post(process.env.VUE_APP_SERVER+'/business/admin/chapter/save',_this.chapter).then(response=>{
        let resp = response.data
        if (resp.success){
          $("#form-modal").modal("hide")
          Loading.hide();
          _this.list(1);
          console.log("新增大章列表结果",response)
        }

      })
    },
    /**
     * 点击【小节】
     */
    toSection(chapter) {
      let _this = this;
      SessionStorage.set(SESSION_KEY_CHAPTER, chapter);
      _this.$router.push("/business/section");
    }
  }
}
</script>

<style scoped>

</style>